Summer Trainee, Data Engineering

Are you ready to power the future with a summer job at the heart of the energy industry? Apply now and join us for an impactful summer 2026! 

About the role

• Support the development and maintenance of ETL processes, ensuring alignment with the harmonized data model and promoting reusability of ETL scripts.
• Contribute to implementing ETL processes and reporting solutions that comply with company data privacy and security guidelines.

About You

To succeed in this role, we expect you to have:

• A university degree (or ongoing studies) in a relevant field such as computer science, business, or natural sciences.
• Knowledge of:
  • Data platforms (especially Azure) and their tools.
  • Big data tools (Databricks or Snowflake).
  • Databases and basic database concepts.
  • Version control tools (e.g., Git).
  • ETL/ELT processes and principles.
  • Python and SQL programming
• Strong communication skills in English. Additional language skills (especially Finnish or Swedish) are considered an advantage, as some systems are not available in English.

We offer you

We value our summer trainees and want to make your experience rewarding.

During the summer you will:

• Receive an introduction to your tasks and be supported by your team. We are committed to build a team where everyone feels valued. Mutual trust, believing in one another, and taking care of everyone’s well-being help us achieve better results.
• Work with interesting and diverse tasks with real responsibility. 
• Enjoy a hybrid work model with flexible working hours, allowing you to balance remote and in-office work.
• Learn about our company, the energy industry, and the sustainable solutions that we are working with.
• Can network with other trainees.
• Gain valuable experience, that can lead to a career with us. Many of our trainees continue after the summer, working part-time while continuing studies or as thesis worker. 

Read more about Summer Energy, our recruitment process and previous summer trainees’ experiences here.

Interested?

If this sounds like the perfect opportunity for you, send your CV through our recruitment tool by February 13, 2026.  For further information about the role, please contact Durga Paneini, Senior Manager Platforms, durga.paneini@fortum.com, telephone: +358452637975.

We encourage you to apply as soon as possible! We will start reviewing applications already during the application period. The job ad will close as soon as the right candidate is found.

Our recruitment process may vary depending on the role, but here’s what you can expect:

• Please apply only with your CV/Resume.
• We use screening questions in the application form to ensure candidates meet the must-have requirements.
• For many roles, we include a digital assessment tool (Assessio) early in the process to make the process fair and unbiased, considering the high volume of applications.
• Some applicants are invited to interviews either via Teams or in person, this stage includes at least one interview with the hiring manager.

The summer trainee period typically runs from May to September. 

To be selected for the position, the applicant must go through background clearance and a health examination including drug testing.

We are Fortum

Fortum is a Nordic energy company. Our purpose is to power a world where people, businesses and nature thrive together. Our power generation has one of the lowest specific CO₂-emissions in Europe and our actions are guided by our ambitious environmental targets. We generate and deliver energy reliably and help industries to decarbonise their processes and grow. Our core operations in the Nordics comprise of efficient, low-carbon power generation from renewable energy sources and nuclear sources, as well as reliable supply of electricity and district heat to private and business customers.